Learjet 35 - Variants

Variants

C-21A

The C-21A is an "off the shelf" military variant of the Learjet 35A, with room for eight passengers and 42 ft³ (1.26 m³) of cargo. In addition to its normal role, the aircraft is capable of transporting litters during medical evacuations. Delivery of the C-21A fleet began in April 1984 and was completed in October 1985. Dyncorp International provides full contractor logistics support at seven worldwide locations.

There are 38 Air Force active duty aircraft, and 18 Air National Guard aircraft in the C-21A fleet. On 1 April 1997, all continental U.S.-based C-21As were realigned under Air Mobility Command, with the 375th Airlift Wing at Scott Air Force Base, Illinois, as the lead command. C-21As stationed outside the continental United States are assigned to the theater commanders.

EC-21A

Not a U.S. military designation. Electronic warfare training version of the Learjet 35A.

PC-21A

Not a U.S. military designation. Maritime patrol, anti-submarine warfare version of the Learjet 35A, equipped with a search radar, FLIR, infra-red linescanner, ESM and MAD systems, high-resolution TV, plus a hardpont under each wing, able to carry up to 454-kg (1,000-lb) in weight.

RC-21A

Not a U.S. military designation. Reconnaissance version of the Learjet 35A, equipped with a long-range oblique photography cameras, side-looking synthetic aperture radar, podded surveillance camera systems.

U-36

A Combat support variant of the Learjet 35A for the Japan Air self Defense Force (JASDF)

Learjet 36

The Model 36 is essentially identical to the 35, except that it has a larger fuselage fuel tank, giving it 500 miles longer range, but reducing the passenger area's length by 18 inches (0.46 m). It was certified, along with the 35, in July, 1974.

Learjet 36A

Like the 35A, the Model 36A has upgraded engines and a higher maximum gross weight. It was introduced in 1976, replacing the 36.

R-21A

Not a U.S. military designation. Reconnaissance version of the Learjet 36A, equipped with a long-range oblique photography cameras, SLAR and a surveillance camera system.

U-21A

Not a U.S. military designation. Utility transport, training version of the Learjet 36A. Four were built for the Japan Maritime Self-Defense Force.